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Oval|Natural|GIA

1.50ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 6565013381

Certificate GIA 6565013381

Diamond specifications and retailer prices

From $4,208 AUD
As of November 4, 2026
Save $3,463 AUD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,670 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565013381. Listed at 13 retailers as of November 4, 2026, with prices from $4,208 to $7,670, a $3,463 spread on the same certified stone. Wholesale Diamonds Direct lists it at $7,670. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.31°
Pavilion angle39.05°
OriginNatural
Grading LabGIA
CertificateGIA 6565013381
Dimensions8.98 × 6.46 × 4.02 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.98 mm6.46 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565013381
Side View
Table 58.0%Crown 38.31°Girdle: MED-THKPavilion 39.05°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,839 AUD|Low: $4,208 AUD|High: $8,127 AUD|Avg: $5,432 AUD|-7.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 6, 2026
Retailer 8$4,208 AUD
Retailer 12$4,285 AUD
Retailer 7$4,311 AUD
Retailer 9$4,536 AUD
Retailer 10$4,547 AUD
Retailer 6$4,881 AUD
Retailer 4$5,069 AUD
Retailer 2$5,398 AUD
Retailer 3$5,509 AUD
Retailer 5$5,608 AUD
Retailer 1$5,839 AUD
Retailer 11$7,097 AUD
Wholesale Diamonds Direct$7,670 AUD

29 data points across 13 retailers

13 retailers$4,208 AUD to $7,670 AUD

A
Cheapest Retailer
-
$4,208 AUD
A
Retailer 2
-
$4,285 AUD
View
A
Retailer 3
-
$4,311 AUD
View
A
Retailer 4
-
$4,536 AUD
View
A
Retailer 5
-
$4,547 AUD
View
A
Retailer 6
-
$4,881 AUD
View
A
Retailer 7
-
$5,069 AUD
View
A
Retailer 8
-
$5,398 AUD
View
A
Retailer 9
-
$5,509 AUD
View
A
Retailer 10
-
$5,608 AUD
View
B+
Retailer 11
-
$5,839 AUD
View
B+
Retailer 12
-
$7,097 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
387256970 · Nov 6
$7,670 AUD
$5,270 USD
View
12 more retailers have this diamond
Prices start from $4,208 AUDSave up to $3,463 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.50ct Oval
$4,208 AUD